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小麦属G组染色体编码的高分子量谷蛋白亚基多态性 被引量：5

Polymorphism of High Molecular Weight Glutenin Subunits Coded by G-Genome
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摘要 用 SDS- PAGE和 PCR扩增方法对提莫菲维小麦和阿拉拉特小麦 G组染色体编码的高分子量谷蛋白亚基 (HMW- GS)的多态性进行了研究。无论从蛋白质水平还是从 DNA水平来看 ,G组染色体编码的HMW- GS都存在遗传多样性 ,1 5个供试材料表现出 8种带型 ,并与普通小麦和硬粒小麦的 HMW- GS不同 ,为了研究 G组染色体编码的 HMW- GS与小麦品质的关系 ;利用普通小麦的 Glu- 1 Y位点中部重复结构区的保守序列设计的 2个特异性引物对 G组染色体进行 PCR扩增可以鉴别 Glu- 1 G位点的等位基因变异 ,且与SDS- The composition of high molecular weight glutenin subunits (HMW GS) in 7 Triticum timopheevii and 8 T.araraticum were analyzed by SDS PAGE and PCR. 8 allelic variations were detected at Glu 1G locus. PCR primers specific to y type HMW GS were used to investigate the storage protein among 7 T.timopheevii and 8 T.araraticum too. The PCR analysis indicated that the high level genetic diversity were found at Glu 1G locus which confirmed the results obtained by using SDS PAGE method. There are specific HMW GS in T.timopheevii and T.araraticum as compared with those of 1A?1B and 1D in common wheat.
作者 李保云 尤明山 梁荣奇 张义荣 刘广田
机构地区 中国农业大学作物学院 北京市农林科学院
出处 《中国农业大学学报》 CAS CSCD 北大核心 2002年第3期33-37,共5页 Journal of China Agricultural University
关键词 提莫菲维小麦 阿拉拉特小麦 G组染色体 高分子量 谷蛋白亚基 HMW-GS Glu-1Y位点 Glu-1G位点 多态性 小麦属 Triticum timopheevii T.araraticum G genome in wheat high molecular weight glutenin subunits(HMW GS) Glu 1Y locus Glu 1G locus
分类号 S512 [农业科学—作物学]
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参考文献15

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同被引文献49

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中国农业大学学报
2002年 第3期

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